//
//  NSString+Random.h
//  VideoAnnotation
//
//  Created by 杜若川 on 13-8-9.
//  Copyright (c) 2013年 杜若川. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSString (extension)

+ (NSString *)randomKey;
+ (NSString *)getUniqueStrByUUID;
+ (NSString *)relativePathFromAbsolutePath:(NSString *)absolutePath;
- (BOOL)isValidateEmail;
- (NSString*)MD5String;

@end
